3201221022 has 16 divisors (see below), whose sum is σ = 6407734800. Its totient is φ = 1066191552.

The previous prime is 3201221011. The next prime is 3201221047. The reversal of 3201221022 is 2201221023.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 3201220992 and 3201221010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212647 + ... + 227202.

It is an arithmetic number, because the mean of its divisors is an integer number (400483425).

Almost surely, 2^3201221022 is an apocalyptic number.

3201221022 is an abundant number, since it is smaller than the sum of its proper divisors (3206513778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3201221022 is a wasteful number, since it uses less digits than its factorization.

3201221022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441067.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 3201221022 is about 56579.3338773089. Note that the first 3 decimals coincide. The cubic root of 3201221022 is about 1473.8000041017.

Adding to 3201221022 its reverse (2201221023), we get a palindrome (5402442045).

Subtracting from 3201221022 its reverse (2201221023), we obtain a palindrome (999999999).

The spelling of 3201221022 in words is "three billion, two hundred one million, two hundred twenty-one thousand, twenty-two".